function [] = emettreSon(fr,pow)
global PUISSANCE_SON_AVION_200m;
global FREQUENCES_AVION;

fe = 10 * max(FREQUENCES_AVION);
fr

P = PUISSANCE_SON_AVION_200m - pow;
I = exp(P * log(10)/10) * 10^(-13) * 6 / 4
X = [0:(1/fe):0.3];
son = zeros(1,size(X,2));

for i = 1:length(FREQUENCES_AVION)
    son = son + I * sin(2 * pi * fr  * FREQUENCES_AVION(i) * X);
end
sound(son,fe);

end